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2002 VOLVO S80
2.9L I6•AWD•AUTOMATIC•gas•B6294S
5 active safety recalls on this vehicle — view recalls
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Repairs0Labor1005Torque6617Fluid14DTC1718Battery2Maintenance0Recalls5
B0112low severityBody

Key Fob Signal Weak or Intermittent

on 2002 Volvo S80 2.9L I6 · AWD

What this code means

The keyless entry system is receiving a weak or intermittent signal from the key fob.

Symptoms

  • Remote works only at very close range
  • Intermittent remote lock/unlock
  • Must press button multiple times
  • Works from one direction but not another

Common causes

  • Low key fob battery
  • Faulty key fob transmitter
  • Receiver antenna degraded
  • RF interference from nearby source
  • Key fob internal antenna damage

Diagnostic steps

  1. Replace key fob battery
  2. Test range with new battery
  3. Check for nearby RF interference
  4. Test alternate key fob
  5. Inspect receiver antenna

Repair notes

Replace key fob battery. If range is still reduced, replace key fob or receiver antenna.

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